Explain the term virtual private network, Computer Network Security

Assignment Help:

Question:

(a) Besides privacy, what other security functions does Pretty Good Privacy (PGP) provides?

(b) What is the Post Office Protocol (POP) used for? Why is it important that POP uses authentication, whereas the Simple Mail Transfer Protocol (SMTP) does not?

(c) When worms attack the e-mail client, the e-mail servers (the Mail Transfer Agent (MTA) and the Mail Delivery Agent (MDA)) get overwhelmed as well. Explain why.

(d) What do you meant by spam? Blocking lists are typically used to prevent spam. Discuss the effectiveness of using blocking list. How do ISPs prevent their clients from sending spam?

(e) What do you understand by the term Virtual Private network (VPN)? Describe how IPSec can be used to implement a VPN.

(f) Compare and contrast IPSec and SSH.


Related Discussions:- Explain the term virtual private network

Systems development life cycle security-information security, The Role of t...

The Role of the Investigation The first phase, investigation is the most significant. What problem is the system being developed to solve? During investigation phase, objectives

Explain how can we achieved privacy in an e-mail system, Explain how can we...

Explain how can we achieved privacy in an e-mail system.  The full form of PEM is Privacy Enhanced Mail: PEM  is  the  internet  Privacy  Enhanced  Mail  standard  adopted

Technology, how can you enter the ASVAB practice test on line?

how can you enter the ASVAB practice test on line?

Vulnerability identification-risk management, Vulnerability Identification ...

Vulnerability Identification Specific avenues threat agents can exploit to attack an information asset are known as vulnerabilities. Examine how each threat can be generated and

Packet filtering firewall-dynamic packet filtering, Dynamic Packet Filterin...

Dynamic Packet Filtering Dynamic Packet Filtering is also referred to as stateful firewalling. Here the firewall maintains the status of connections as well. When a connection

What is the major security flaw of set, QUESTION (a) Discuss why it is ...

QUESTION (a) Discuss why it is considered more secure to use the SET (Secure Electronic Transaction) for e-commerce instead of using SSL (b) Describe how the dual signature

Distinguish between passive and active attacks, Problem (a) Distinguis...

Problem (a) Distinguish between passive and active attacks. (b) Give two reasons why it is important to organise security awareness programs for users. (c) Describe how

Describe what the term session hijacking means, An overall rise in mobility...

An overall rise in mobility, coupled with the falling cost of Wi-Fi equipment, has led to a proliferation of Wi-Fi hot spots in public areas to provide Internet accessibility. Thus

Describe the functionality of a router, QUESTION: (a) Explain, with the...

QUESTION: (a) Explain, with the aid of a diagram, a Star topology of a network of your choice. (b) Illustrate on the use of a MAN and give an example of one. (c) Describe

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd